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Patent Searching and Data


Title:
モジュール化リードフレームの製造方法。
Document Type and Number:
Japanese Patent JP4318304
Kind Code:
B2
Abstract:
A manufacturing method of a modularized leadframe, using a first mold set to contact and hold the upper surface of rows of multiple block leads, using a second mold set to contact and hold at least one selected surface of the lower surface of leads, the second mold set has a protruding part between each row of leads so that the upper surface of the protruding part be in close contact with the inner surface of the first mold set. The hollow space between the mold sets is then injected with packaging materials such that a leadframe structure having packaged and fixed leads therein and surfaces for wire-bonding and soldering is obtained. A packaging material filling space is formed in the leadframe after removing the first and the second mold sets.

Inventors:
Consecutive
Zhang Shi Yi
Application Number:
JP2004238434A
Publication Date:
August 19, 2009
Filing Date:
August 18, 2004
Export Citation:
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Assignee:
Honglian International Technology Co., Ltd.
International Classes:
H01L23/28; H01L23/50; H01L21/44; H01L21/56; H01L23/08; H01L23/31; H01L23/495; H01L23/498
Domestic Patent References:
JP2001077277A
JP2000068397A
JP8306853A
JP11017048A
JP10032287A
JP4017342A
JP10027866A
JP11265956A
JP2000183229A
JP10154768A
Attorney, Agent or Firm:
Seishiro Suzuki
Shinichi Tamaki